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CVE-2016-20024

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CVE-2016-20024

Published: Mar 15, 2026

Modified: Mar 16, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files. Attackers can exploit world-writable permissions on the ZKTimeNet3.0 directory and its contents to replace executable files with malicious binaries for privilege escalation.

VendorProductVersions

ZKTeco Inc.

ZKTeco ZKTime.Net

affected
3.0.1.6
affected
3.0.1.5 (160622)
affected
3.0.1.1 (160216)

Weaknesses (CWE)

CWE-538

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

Zero Science Lab Disclosure
third-party-advisory
CXSecurity
third-party-advisory
Reference
exploit

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